420082005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3701}}^1$

素因数の和:3786

約数の個数: 64

約数和(自身を含む): 818823168

約数和(自身を除く): 398741163

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 47, 69, 105, 115, 141, 161, 235, 329, 345, 483, 705, 805, 987, 1081, 1645, 2415, 3243, 3701, 4935, 5405, 7567, 11103, 16215, 18505, 22701, 25907, 37835, 55515, 77721, 85123, 113505, 129535, 173947, 255369, 388605, 425615, 521841, 595861, 869735, 1217629, 1276845, 1787583, 2609205, 2979305, 3652887, 4000781, 6088145, 8937915, 12002343, 18264435, 20003905, 28005467, 60011715, 84016401, 140027335, 420082005]

約数ペア:

[(1, 420082005), (3, 140027335), (5, 84016401), (7, 60011715), (15, 28005467), (21, 20003905), (23, 18264435), (35, 12002343), (47, 8937915), (69, 6088145), (105, 4000781), (115, 3652887), (141, 2979305), (161, 2609205), (235, 1787583), (329, 1276845), (345, 1217629), (483, 869735), (705, 595861), (805, 521841), (987, 425615), (1081, 388605), (1645, 255369), (2415, 173947), (3243, 129535), (3701, 113505), (4935, 85123), (5405, 77721), (7567, 55515), (11103, 37835), (16215, 25907), (18505, 22701)]